Perl Programming/Keywords/sin
The sin keyword
[edit | edit source]sin is the trigonometric function sine that assumes that X is in radians.
Syntax
[edit | edit source] sin(X)
Examples
[edit | edit source]
The code*PI = \3.1415926535;
$a = 30; # in degrees
$sin = sin($a/180*$PI);
print "sin(" . $a . "°) = " . $sin . "\n";